Duncanville, Texas Area Code
Duncanville, TX is officially utilizing an area code overlay in which area codes 214 and 469 and 972 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Duncanville, TX area code information read more about area codes 214 and 469 and 972 details and Texas area codes.
Duncanville, TX is located in Dallas County and observes the Central Time Zone.
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